add: utillities

Author: SinlessDevil

Assets/Code/Game.asmdef

@@ -0,0 +1,17 @@
+{
+    "name": "Game",
+    "rootNamespace": "",
+    "references": [
+        "Zenject",
+        "Unity.TextMeshPro"
+    ],
+    "includePlatforms": [],
+    "excludePlatforms": [],
+    "allowUnsafeCode": false,
+    "overrideReferences": false,
+    "precompiledReferences": [],
+    "autoReferenced": true,
+    "defineConstraints": [],
+    "versionDefines": [],
+    "noEngineReferences": false
+}

Assets/Code/Game.asmdef.meta

@@ -0,0 +1,12 @@
+using System;
+
+namespace Utilities.Editor
+{
+    public static class ArrayExtensions
+    {
+        public static int IndexOf<T>(this T[] array, T value)
+        {
+            return Array.IndexOf(array, value);
+        }
+    }
+}

Assets/Code/Utilities.meta

@@ -0,0 +1,30 @@
+using System.Collections.Generic;
+using UnityEngine;
+
+namespace Utilities.Extensions
+{
+    public static class CameraExtensions
+    {
+        public static List<T> GetVisibleTargets<T>(Camera camera, List<T> targets, float visibilityOffset = 0f) where T : Component
+        {
+            List<T> visibleTargets = new List<T>();
+    
+            foreach (T target in targets)
+            {
+                if (IsTargetVisible(camera, target, visibilityOffset)) 
+                    visibleTargets.Add(target);
+            }
+
+            return visibleTargets;
+        }
+
+        public static bool IsTargetVisible<T>(Camera camera, T target, float visibilityOffset = 0f) where T : Component
+        {
+            Vector3 viewportPoint = camera.WorldToViewportPoint(target.transform.position);
+            
+            return viewportPoint.x + visibilityOffset >= 0 && viewportPoint.x - visibilityOffset <= 1 &&
+                   viewportPoint.y + visibilityOffset >= 0 && viewportPoint.y - visibilityOffset <= 1 &&
+                   viewportPoint.z > 0;
+        }
+    }
+}

Assets/Code/Utilities/Extensions.meta

@@ -0,0 +1,13 @@
+using System;
+
+namespace Extensions
+{
+    public static class FunctionalExtensions
+    {
+        public static T With<T>(this T self, Action<T> set)
+        {
+            set.Invoke(self);
+            return self;
+        }
+    }
+}